Logic Oral Hygeine Gel 70gLogic Oral Hygiene Gels multi enzyme formula helps maintain a normal balance of micro organisms in the mouth whilst the mild abrasives help break down existing plaque. The gel also contains a surfactant which ensures that the active ingredients remain in contact with the teeth and gums. Logic Gel is unique as it works with or without brushing and is a highly palatable Formulation which is well accepted by both cats and dogs.